{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5e9052411b3d97e56d6f1202bb79d03cad9de7ea846823f0f1192644653c9f9e",
    "signature": "0x18a87dbb15a898dafdaae2e3eebde6939e14577d7301d4b2925476380b5568de1e8ef86cb6dbf254bd7cdd4097a7309f612539a3787ace2ca7cef3d0c6e176961b",
    "signer": "0x60e0bF0248f3cB38407eEee857d61eB6F9729811",
    "userId": "424758382"
  }
}