{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38833",
    "entityType": "User",
    "nonce": "0x4d3a7cca44212bc1a483a85aa35c529cee6e3e4901f8f4c994ea7fc54a13d434",
    "signature": "0xb5284e9f29e63da2420e2c13055fc3090e30145449b325d07eccf4c68a5ccded689564bf64b0f6c55597feb75e6c76c2f269da06d83c1ed654a1067f49a46dcc1b",
    "signer": "0xAa41F58040c332bA099e607a94e779E0eaAd70a3",
    "userId": "256614453"
  }
}