{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x717813cda9c0eedfb73a961f48365bf43bd1d39ed47c536380f985118d72a919",
    "signature": "0x28556539a1d3b868b29c575dfe73cfcf41a1441851d73b29a4f63e3cbe6be07230822e512fa24fdf5a52e9dbcf36214f17767758e25e0a2aa1a143e3074fe3081b",
    "signer": "0x6bE1750982C097e426E546542683fb42BD1698F1",
    "userId": "863774823"
  }
}