{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x7f6839c72c925efc899e01392cbf4217b6c133b25848eb5853b5472866dffdcf",
    "signature": "0xeddd69d9de08c9552f36d321cf5fb191e7b88c5225e2288103adc5d34009a524591aaaf332ffc7c0917bdd908f218bbd47172e421c95daa380f14d85877c9dc51c",
    "signer": "0xbb3b8C270080b0DAE42411345FCDc6a00369e247",
    "userId": "690093689"
  }
}