{
  "manageEntity": {
    "action": "Update",
    "entityId": "762334537",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa24b753a3dfdb8f39ab4d107b26dd1d3fdec926817bd881e6de8245479d35503",
    "signature": "0xd96f0043f7ace83e74260d9f0d23686e2c30144d887794854cdd245df98d938347e680fe38e7ad032de0c2dbfc1a133fb4c3c58d02d9bdd4c05dfb291ec9410e1b",
    "signer": "0x284254D41a60bDC53C1252637479BDB5e6e0C448",
    "userId": "762334537"
  }
}