{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956114594",
    "entityType": "User",
    "nonce": "0xd3a4c5ecfed037333eba2a9afe785007103f70adeab53bd2fd10d228c8b27a2d",
    "signature": "0x4b17275108085d969aa334fc42efd96700e076a611238b1a3d00654d664c38fe44fc91070d359eced91bb1d8c47670194ac3168844e15cb9a5a792c62fd338a71c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}