{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1880649",
    "entityType": "User",
    "nonce": "0xae3dbba51744a6559948f7574f7c832952fbd865357d2262384cc18138d7b592",
    "signature": "0x7f016ee39dc37f949b0ad44f4687ec9f9e65e161b4d8fd02629d0f1226fe3ec254ab6bfaa1bde66f83ff802a18e761672c8140c63bdc2e65dc77980960e3758e1b",
    "signer": "0xAFe001afa3dCA8F40e5C0f35572E77cF3069773D",
    "userId": "656565561"
  }
}