{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x96619a9601120c376eb2ac711adabe2b0c15b80793eb4a25b898c7156916b7a4",
    "signature": "0xac7ebfb5246fbc0d9ed51291cd1e19fac30ea2348ef67ab1fb99fed63b6cac781d831196cb82cf4bc38e21774e769602cdaffad89da79bc7bfa76f07eee956541c",
    "signer": "0x6C6F933A699968676c24921e1dF7f110CC8F9548",
    "userId": "722717186"
  }
}