{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x05970d41abd0fe95b3444855ebc29fb71f4779785bed96f09e7f1127b7abf848",
    "signature": "0x1ada64f169630051afbb6d1d7a43b16096f59baefde58d423bf2d7c26154d259127bec4ac40bb10abac5db22effce587acad1e0d2722910b78d62ec42e0122d51c",
    "signer": "0x0cD44d5932c465421e821543Ebd21D154Ec78935",
    "userId": "786745302"
  }
}