{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18034",
    "entityType": "User",
    "nonce": "0xf30bc087fa0aab9d5946ef85459af243809345085af8778bb9afbab406bb8499",
    "signature": "0x9ae2ad23052129ea16c5b48ffd9b6a4eb16de2a336590cb6678e25c1e57e7b96360801207e3ae153fb5af24f0a5c16255aaaad8f8645f72764f361850be25a201c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}