{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7716",
    "entityType": "User",
    "nonce": "0x7478403300ceeb9a64c216b6657d38e4803260577d18fbf3394d258cd99504eb",
    "signature": "0xabdb5cea746fc5d146cbd06be14ba3dc81a3c2a03110761c43e0e5da46e844c818e9dd547a94b5862f1d12837e6f36bddea3705b961101c99703ffb05f42c7a31b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}