{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "369920480",
    "entityType": "User",
    "nonce": "0x928256f0a59ebf9010f1ccb15f0443269f2522279460f512f1b0d47e3d944d38",
    "signature": "0x3e0a5887d69b8436afb201acd0de651021b65837edfdfd7fa91b3578c42468ef25e418819fd8badec050a0e00d8f86a0135a1841f6e13f2910a54cc077a1637c1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}