{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0x031d942ab0186f01839dab025e56777cc5a16091b6004d6239ac651bfa2a3611",
    "signature": "0x018cb66d59669d28f0f39a7dc96592368ef3da646d0d57b45e4185fcf4bd02bf40739db029e6010aabc41a886a18b494a69320811c71bb10fd9d67c9c717fc1e1b",
    "signer": "0x03216709b3C72cC48C8Cbd8E8100689b00Dc5b63",
    "userId": "530432949"
  }
}