{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfdfd33dd3ef275f67b0c867cb0efa384e260b959263d2d9b44bd95b3d20ec661",
    "signature": "0x7cdde582bc8a466fc2bf9103f3615773b3b6636dfafafc9366a9ed6c03b98d2160f669f1c81badb6db5e832f34905ea487dcfb214adc372e692e5d979efeac5d1c",
    "signer": "0x1266BB8EC78087E7cc9940cbD112F6208F1093A3",
    "userId": "704071243"
  }
}