{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319857",
    "entityType": "User",
    "nonce": "0xb68f6967c124205a4f29a2b872a241835d6807fd9987b231e31a636dd8d54d1f",
    "signature": "0xa956034a82a1da84302cba05836670cbd3471bafa617c9e44f0f5970a045692e04f880e3184dfcdf7aea0dbea459cd4ba92cea1fb9dc287153419afa75b4ca661b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}