{
  "manageEntity": {
    "action": "React",
    "entityId": "497995194",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"entity_id\":1255893436}}",
    "nonce": "0xd601c770847a63539c235f1b4bb889e006fee10019315d1509495f9bc13a39b7",
    "signature": "0xddb948e7b225074082b1ba99b8977b581cd7b600b95a00817dfee09b739bffc5251b221956fcf374e0002b19e208d3d1f37c6781e2e233897cb6146811a5d2441c",
    "signer": "0x669C207e15A757a751fd8f623DFf054C6D3D0b05",
    "userId": "121458"
  }
}