{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x62b383f007edc437c190f49ef496481ae4a4fe9259b95495f4dced3ae21c1b1c",
    "signature": "0xc3a6ce7ee6a7c69bee566c0237844037ff852c576148b317ffbefcd4f071e46e30ebf5a211e1c54b8102b4cc82b306f680efd7c3e392e56f84b115d33f6de8a71b",
    "signer": "0xF95F6bcc507fE8C7c63a8B1820281FB68452fAD9",
    "userId": "694006811"
  }
}