{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70623",
    "entityType": "User",
    "nonce": "0x40db0722853fa840bf10ca36b242dbb610200ba3d8f3cf8fc525908ec87391a7",
    "signature": "0x0b059f0c4a4c2614b1948bdebbd60b03e97c4e32eda54ddb1f9f5e5d1ebb49b906c48d8d9b1d65886d2491ad7358d8a6c37927b2cc8634a6b1754c5fda3e44701c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}