{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x348a852710d497fa30b23047a465fa552763f39ed733164c68ab0639685b93d9",
    "signature": "0x4449eb10ec904bb6a32aabe5f18f43643056711fdbb4d1649086859699ea1d1b710c0b580abec5bae893073ec565d8f79f6e4dab2eb13302a9748c7f4305f3d41c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}