{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134550",
    "entityType": "User",
    "nonce": "0x124c21b56a1d53078eaff5b3afba0f4f7b0fc9014362b5456b9e5bb4bc49ddd6",
    "signature": "0x9092dd8f2bed18696485ed90fab7c0b4fcd29556532b5ccd85a229f9c81a936039f18e713f1f23dd789f6f1d48bd93f6fe20f4fbac04925112cba96cf2fd9e6c1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}