{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6901",
    "entityType": "User",
    "nonce": "0x265a1292a56f1eea06cf082b879a1084ac560d059fa0a6d2b0d2ad48203ce32d",
    "signature": "0x4c2c1786303c987a7cf62c92cc0e875d5c4d9267b4fddb4dc62f093df220f60e50f6b9b8eff84d4bffcfd7180eebad53ee04992c74d06570503aeae97951db791c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}