{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396112",
    "entityType": "User",
    "nonce": "0x3db29ccb2b1ee0b2d4617e430c37c56d75126fd362a6a414f05f79dd00c3c1e0",
    "signature": "0xbbd6258d0d00cc3060f1447c30c1463040cefd2480f343ddb35a9b64bef85913687027929c2bb94f3688e1e0a10e09b2464e58052bf2679099bde3cd9981a0f81c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}