{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "47399103",
    "entityType": "User",
    "nonce": "0x8abe748bf4bf5a3d29b2db75bd58b9552a263914a701de57372587e13b08f478",
    "signature": "0x88ede9d7dbf1670da70c1718b8c9e89ba8bec1e172d4b18e8e7e449ec8cca8475922ff1d18639e0fb6c6db1543fc23fe8aaa2fcd187ffd69073f087d15c688d71b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}