{
  "manageEntity": {
    "action": "React",
    "entityId": "647905561",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"entity_id\":962999223}}",
    "nonce": "0x5f0688b9b24464ad90bff31561e23406dd7fb02fdfb5203295859ae48e44ec1e",
    "signature": "0x9b57767ecb9560f8b7cbf3ad93115f662e8558d4501aa4d299259283aaf9247f2872997e95ab8176c1d3d020c9b2b1c37703fbbb280e62f7adfd38cd1ea5a5811c",
    "signer": "0x1f0eEffd3dB10c36bdc47daf6bA5e3aFdE77e215",
    "userId": "304921883"
  }
}