{
  "manageEntity": {
    "action": "Update",
    "entityId": "909822926",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierarunisg5gskbg5lhsht5vdeljpnijgaykbnvuvaguslqwdre66twq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1126518777},{\"type\":\"playlist\",\"playlist_id\":118958},{\"type\":\"playlist\",\"playlist_id\":131807}]}}}",
    "nonce": "0x51f081bf29fde1598740f90165d9126b3c037a3d64f89393b939044c3a9b49b3",
    "signature": "0xf01b6a0dad902e25199ecea963dad3c95baaa23396b4ed54f60b27efb27c8c3e4f07acba28a78282a5152f7c6578b4d0c502c2bb5dc4aad508ad94d3764d20621b",
    "signer": "0x7315e02d352D97bee742C3B3D87F3277D05bA410",
    "userId": "909822926"
  }
}