{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xed4d7db23907a213ccb8616a6977206a568204100252434013e1385623e6c8cf",
    "signature": "0xb9601f3713106f3d97562675cd2dcb9354526d4524903c91c0754d0d5b6453231a0a147ab72e7189f7580c59fa5cfeb4e8f881b36477e2b8f3fb454e6d0bf5301c",
    "signer": "0x62201a2146079A014aD2E748e4Eb6180eE90C4C1",
    "userId": "760481887"
  }
}