{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933148862",
    "entityType": "User",
    "nonce": "0x1a41afd6e2ea92f0ad04dabd8d737208fd88f86e7669950f7e60664c0677a28a",
    "signature": "0x4aaf6fb57ac40d6db23edb2873e902802a95961525a8a80a35d44d2c7452262857313e151f9f468ed44b2f3006538ab431454716e00158a50e313d8ce49b77b11b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}