{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xb299e0220d7525516dd9ae22ea1a6882137e1946e893dd90f07dedaa25c63e61",
    "signature": "0xdc4c1eb6ccd7c73404c9c253b7e2fceba6efa770f2a7e8a05e7d7b6c5898042963befe32e8bbdd8f5413f39d71c7765af768ba4985996b56ea2ccbcd08872d001c",
    "signer": "0xDc7aDE20DF7b99BBB8cD1f87ac9FfAF2049d9132",
    "userId": "666927821"
  }
}