{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x302bf877facc6113119512b612d3a68995b8927e81b4eeda338b790d72dceb4d",
    "signature": "0x95cb0eb52763025cbf5a5616c3d7bd5a2085eec614329a734f0809b51c04c3957b89cced5e8b88e9161588d90e20894b5bfa5a79912ff3875f09fef02a22485d1b",
    "signer": "0xa0306042Ffad1d4cBEd7ad969C64Ee57a49d425f",
    "userId": "718100986"
  }
}