{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2b4289f1b8bb698c6178d8a1192ec6ea70f8faed9f33efeaa2bd1f51bb7fd276",
    "signature": "0xb26794c9fb0cf3321e6e8ad497bea3865acf51e89c8869c73c0e8590c25626dc230d52fb07dcad69da634de453d785591e439e23a634f3970e5a4c91adec8f071b",
    "signer": "0x0a9F0Bb7f908E12E6fe8C5395104a94e3b16E445",
    "userId": "581914163"
  }
}