{
  "manageEntity": {
    "action": "Update",
    "entityId": "111313901",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x82a101f072bbe72e03bd07054be097efdc168f888f6af1b6961213f6700b246f",
    "signature": "0x948af02689e6f518ea5b80c15a82e2d2b379e51ddc40058bd93d9b4fe79333753990f1fae8676bd038a188d008fe7356e1e11765fbfa26cd62fb85a2fa3bdec71c",
    "signer": "0x2E483423230095743e043e01F85FAA54b6F80a6d",
    "userId": "111313901"
  }
}