{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18111",
    "entityType": "User",
    "nonce": "0xc3f3dc65fb8ca7b9c3f7847054e8ea8bd11dc0c3bf8238e7f6d98717f2e65563",
    "signature": "0x776d48f2c905c60f47f00d98d200d64f03140dd9f6cf913ca171ca9ac272c2334803d297d09ec170dd02914f2d4eefe0406e6acb3987c844242520a728b6365e1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}