{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "32951",
    "entityType": "User",
    "nonce": "0xe782c9010671caad9253c8e0dbf9b2769e3f6fbd40209e048fc82e072a6878c2",
    "signature": "0xb57359b7c788d7364ae652799d1af3d15ee133d650ea0f3fa871b9a4b05a3c4c40df137804480d7ed8238f79c69c54cd92d016beb608d2efa7f7554c7aa5924b1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}