{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x239764b3bb93ecebc4037ade20f58835cf9ada921f4b1304cec2feced8941b58",
    "signature": "0x84c6ec9bed990f271e4dac58f4f0e497454119ad24a914517835164d7df3e584764bf5039ff38a2f660a0970c3a5170cf28be9285b0c7c25d0c56ba5c057f27f1b",
    "signer": "0x3cb83Dc0BeA02d2C404C053Bb49Eda9A008776bE",
    "userId": "164461150"
  }
}