{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65278",
    "entityType": "User",
    "nonce": "0x131e06fa153dd2ef8c46ec91a4a84bc6e191afd0ba0f374cab7424ae05530903",
    "signature": "0x31a209b7afe63d126c0e991cac48e390f26a669c2a043789eaa6c54d24f938fb1c916e953fc375b45648b6e86502bde4a313cbbeaec2331e7cfb4a41e70438b51c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}