{
  "manageEntity": {
    "action": "Create",
    "entityId": "1722289444",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Tight song! \",\"entity_id\":1444204369}}",
    "nonce": "0x2faae4b7556fe372c21a9f81757e2a93615ed51a07f13c5a1261409894895775",
    "signature": "0xc76cb2a9b6a8d5dfd0f6dacfeec8f6c009ee29e90f2935585f6208e13767b6911b17623f8cbed3745898668bd1a8db1bd78ea0b582a4763c06503504c10723731b",
    "signer": "0xB2A34b43465721B690e6CbCfB42C0cdC30050183",
    "userId": "103086"
  }
}