{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb562af0c600e10c73e6dee5c8f9cbb9f7fafeea51d8130bad89b9f77a39d3ce7",
    "signature": "0x27c23e89c77d7aa7296cd51208bdd21eb933483fd3a7d783f0625be9bb73316115a121aa582ca296363ed9fc898d49ba9bb1d759ac003cad6ec43aac01e9e2a61c",
    "signer": "0x47dF9c9F9dca87530Dad8f0B476c3283aDb0DAC7",
    "userId": "926512190"
  }
}