{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "988446830",
    "entityType": "User",
    "nonce": "0xc6b711b8246993c0bb6eb8b712af19d201f19296626e84710f82e3ee0a0159fb",
    "signature": "0xc8cd6b6c22878024323c2af9fc763ea37f0e1835f79d53cbf60a30d6e3904ea8345fdfdcb1ef43d993a4c270e91ee8fbf8ef20577538984272563cd4a5b2c2871c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}