{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x92627f5d0206b4fb72483b417f6867bdb800c737b92b1f0fccb420bea32f1bfd",
    "signature": "0x62530b4cd77c819c6c99d0149562af296275c1f2912a9c1141199fbce8d9ba5b1d5d95084c42deccd6fb6509650176c767cc0e19e1e0a33822202944061823de1b",
    "signer": "0x571CC6D512D6f6fe43A3EDFE62123a52785d36fA",
    "userId": "388520"
  }
}