{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xca94bc7d49ed74d336fd8cb7a953dd057060eae20993a7884e855d05debc6938",
    "signature": "0xd10a761706ab301bcc0eacb8954a8a04048319e71fe373ad7be59ea03e40e61d21faf18a75cae31112c7498407b52b7dd8f1b671c51be4cb7246a4ec1bbb716b1b",
    "signer": "0xb15d7053c985Edf1d74fFc9893ab67Fdc2B33090",
    "userId": "211545300"
  }
}