{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "743466338",
    "entityType": "User",
    "nonce": "0x26335a04b41636523ec5bfdc206cd0febe7a8b2c15f8ab1a7e80182f729fbb2f",
    "signature": "0xadbbd95bdefca085b3aa819d99f06092b1b66534ebac876efff5bb154ff747383b446baa8592260690764730e8aff7be467c24ed28ee9d77c65fb4310e9cfaf61c",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}