{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39549",
    "entityType": "User",
    "nonce": "0xdd48656e6e99404ddaa5a038ce4d80356b0f13beddc9d713072981c2dd611bf7",
    "signature": "0xc8352728c25a7b5781c33143ddac7926e057803eaf9a6025ff4fc08d756f1f215a73ddbc030b2e85e46edda3bff991f7ca38e3170af740c1124f1270709d6da11c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}