{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xbb472e9692bfb6ce4990b9f034d874ddf3c0028d391ae27fc1be6303de117dec",
    "signature": "0x7945292bb328a9c89652d9356051a1b2f9ff8f2fd1c89aa976f84f430d37c718777fa0f5812f4490f7feb841a2b5049a8bff7b361a7913290104265457eea1771c",
    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}