{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0xc36140d14261595e61918710d36d7f0de43a6fad9b03d63a3556743adebfbaa5",
    "signature": "0x245dfac3aa83e4308a1b5be348ebd0392cc8e09281dfb54953ac302a4710431b6a56fc0a8812c3e31b3b24b46f8d309db00f5c69396d15be23d98709f09225411c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}