{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "947140631",
    "entityType": "User",
    "nonce": "0x307418b6bfa8b696cb9fa87c0c84a70752bd6cc350dd96a5890b741ace5d9a26",
    "signature": "0x1ce778cd06d507058420dffbcc890b0fc22cb35d4352680fb4e285402870653c6f63a0190b38e24edc58337772be969a629d21785c43385a0daeaf5a267585961c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}