{
  "manageEntity": {
    "action": "Update",
    "entityId": "65393953",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfff3ca4a847d7d7055e26b1bb1f46a658d535de421850bd11e0029f3cfe326ac",
    "signature": "0x122bf782e74a38f375be422af15f66cd3f84f044ce64af9e162795b2340ddb48645e2504d4805e65b77633e6966491c8020aadd152c8bd5ac59069bdf024d7e81b",
    "signer": "0xF9476a8EEEC6e83Df55aa21d164E1d42B64037B8",
    "userId": "65393953"
  }
}