{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172280",
    "entityType": "User",
    "nonce": "0xd391b33ad24241eab667a260ac1f263405cee220a532b28d95d1e7319dbc0cde",
    "signature": "0x524ca92e43d8f99518bf013daa02ede06dc694fb8b6dff162b0bb9d5c530d4345b6a579462f7630040a88c04a3218af4ddd62933e11bda5e264b1f1d612117f31b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}