{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119917",
    "entityType": "User",
    "nonce": "0x51ab2afa6ed7f05ec92d8e012d78b20a9954d4e9d8b815b84fe7778d4595fc1c",
    "signature": "0xdfb221c5a02aeef2667b10d133953aa01e7cd8726c9064c7a6ab428a6f294fd019d3fb2b43b4d5d9d3c39a369440bb475e1c6befd9f1bc6151ecf2e7d421d6f61b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}