{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37790",
    "entityType": "User",
    "nonce": "0x244e58b4c4cab585e837934fb1881784b33669d35c94d122d9ac7bc3afccc8b5",
    "signature": "0x5ce956eff13101ae839130d8a8153fb541c4ea28127250438be5daa2282421802deda94f4220db5b2d77badd2a4124f21842ce5bb492f85c5d3b51b87641a1421b",
    "signer": "0xab3fbeF816d349E87D7a9AF9D1b42b9D7E14A16F",
    "userId": "385866220"
  }
}