{
  "manageEntity": {
    "action": "Update",
    "entityId": "81057056",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieradm5e6jrags4ilbud4cdqrr2hlef4vx7fz5wvbq4vg22dtikweplq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":338232720}]}}}",
    "nonce": "0x903707276fee4c0871dfc20ef2439b64bdac736a017f4aea97d44639944e23ad",
    "signature": "0x28fed0b78f731d103965eac180b6645670ae16b6fdaf7a41c8e2f3b98e61cfff6b46f1c90f8ef35649c6559bf6be374b278e7cff896c68dd08b752b7813842021c",
    "signer": "0x224a1c816Fe9d36884f4564008Ea4Ed8D698a3C4",
    "userId": "81057056"
  }
}