{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132462",
    "entityType": "User",
    "nonce": "0x8c2897fcf4e9b543171a93937ac9c80a512207b0b7652120b5ca9500f2b5ce69",
    "signature": "0xda1688e365a7ec98407b93607ec3cedd63f4baeb1c134833544f75972269d7af5da5432cc1de0328e1546406d8f1fb983db0255a7b0b732fe990cb9523ce71661c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}