{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x48d4b807724ea28997e087c9b9bc62a5dfe361c663f1a75f75046b0a5a69ea44",
    "signature": "0x630bd0368f418d7b571596f9a64ccd1209bfc36d06263fe7f32d45d49c539ad50f608c9cb9b06be1fc985df7173825078be3ebc68153e805f9331497f831ce021c",
    "signer": "0x8b61B87EFfC875d065c2aeFDb0424BA7d522ce17",
    "userId": "723815891"
  }
}