{
  "manageEntity": {
    "action": "Update",
    "entityId": "644365875",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x52e44f1fad5f887b45d5f5ac1107f81f6b8349e8a0f5c9f82272731a92b54ca5",
    "signature": "0xa46f73685ef03e7cc6e2872a9187a75448e78623bdf2f651091618b9b1c140e935fa6a1d59704b5bbacc6051e05a2aa6348cc2dcf7eabb1d102b9d5bac370f031b",
    "signer": "0x59765D59B49eA1ed8661d6aFED8D1EF9deb44af8",
    "userId": "644365875"
  }
}