{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144744",
    "entityType": "User",
    "nonce": "0xd5f3435080d07caab5ca9ec68cb168e9dea2e8e81df4c21647f5c0d666b59bc6",
    "signature": "0x72af98e76c3f9dc9013392636adf83dcd9813096ef69cda8ec6d99d6041e2f0a7c477aa81292d36e52cf550f59889b315fba2dcd7d90c9a737dbeab62001dec71c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}