{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828368024",
    "entityType": "User",
    "nonce": "0xab90d5b1069713de7291e5da20a432402745a65b578bea7ec0479a457efb8688",
    "signature": "0xb553ca92f7bca46b0ebfaf75a027e37539dc8a033eb6439dc2855c81c48e0a826dd3f23de6a3cdd5e0fc6f79e1a9a8422cc299e2b7807827109ac6ed446806981b",
    "signer": "0x16BE3cc7Ee03C75AD10a94fb7234B045D351825c",
    "userId": "66529124"
  }
}