{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5b3eb05d10ee1a43c0666ad678a6054c9c81c7ebf9095da05e38a5712478c188",
    "signature": "0x6f00187adde1df8833a2b329677c9faaf955c275af7b24dfb94bf28b40dd6d31653fb4e3a08d8a49060ad3f5d065950e0948886adac865609c41200af4a502a91b",
    "signer": "0xa11331BDD476B330c6F8656F1746B23365c102Ef",
    "userId": "811187233"
  }
}