{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0x48f70221e803670edd8b95067dd09bd08a5ed3104d7f2824b3a085d28ef16aa5",
    "signature": "0xbdad69c8d78368a466a7e28ce44161df2993faea35072084941ba3e32013490a44b1534037aecac6592a065e38ed0c69f0579f5c329cef7bd5616fa2321ebb3e1c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}