{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113644",
    "entityType": "User",
    "nonce": "0x59721072fa26e0f814200eccd4bd73120750689a2d182514c37457d0bdc756af",
    "signature": "0xb5e386adc195322253d29f0589771a6d8821cc083bd142dcde3870cf8c818c645d313538896c0d52b740d12b8ecb75a6cda0ffb40f6aec01deeb6195e3b5a6851b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}