{
  "manageEntity": {
    "action": "Update",
    "entityId": "804650248",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5b4de57264cbe51cd51a9e5dde601a992cbf309a9222dc8bec5ec5383d113f7c",
    "signature": "0x9f6ffbec3cb6ecdcd4c9188413b0ffd07b1ace6500d2c629e5d7597ebe493baf478629775eb2d364f7e04cae5d5d85f2444479169db48218eb8b2a180a36b7c31c",
    "signer": "0xf8B02289D2776b4B0D5Cc87415be8F09D2212Bbb",
    "userId": "804650248"
  }
}