{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "485987672",
    "entityType": "User",
    "nonce": "0xc935c55648f4cb5efc7f17fcbeed1e6bf3f2dd47f65404027befe5594217e846",
    "signature": "0x14010dbfefbada98e4cfcada27bee89adac8fb15f27f2ff29fc6d27bfc9bc50a4d5ee29dba18d5d1c7bd7a273fdbf99b69bd58928af1b8b3d5237b9152e6ee771b",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}