{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcec2dee3a9162e344d8173d6ae1dd5e2a438d14595575575d6a3788073d8f834",
    "signature": "0xd77c19a16a1b10f0cb11c179023bb50280b4d25b0e44be428d37010a068aa7bf6bb2c392e059275afe2ffa573a117fe7e2a608705adcf56dced9dd8714ff09831c",
    "signer": "0x185897CCAD3498BF24ae80D877678Cb63cd4D6ff",
    "userId": "792601388"
  }
}