{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "468388066",
    "entityType": "User",
    "nonce": "0x984c2ae58437c60b75d828303f8659bc9497f8c41e1f958889f19ebb8f3e3af4",
    "signature": "0xefbb74ff0ea5de9cd5369256d53a68a729255fd0717f93168b95ba62000faeaf35bf51f55fa98e0db74b2976f75c17e71671d2451ca62149bcbd8584956c32ef1b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}