{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83428",
    "entityType": "User",
    "nonce": "0x27abbfdda3310fcaa4d55be57fe9d1ee618e1d807dc9b2369c6bc6b8bc26e1be",
    "signature": "0xaebe55898ba425e3ec5bb93033b9b843ec7cba12062e7e59415f87a20f6218d04dd2824969536f103dbe8af539e9798c4e440c85b0d073710d176f3efa473f1b1b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}