{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1712723",
    "entityType": "User",
    "nonce": "0xcb3f2fd46334ebc2f2293f234c49a02d0fca8c2326e0f7d43344735d0c3a686f",
    "signature": "0x132c466374db2f8946fe07f68670995cfd0e9c23fddf449db58459b7f1ef7ff94a18f340bb6e74361a4d87f22fdebad3af85547f4cb44c6b117c64a0fbd70cf01c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}