{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xf9c5760156f63c64c938428ef015427e132f41de73eb0589f38e6be8bf3ebc71",
    "signature": "0x74be77e87579500169fefd7cb82f14f2915d9741872c6050c78d5c1798fcd5f309ec0536d3ddbf4108224283abb715ce6990654b9bc64bd4d865bbcdcedb64e91c",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}