{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171043",
    "entityType": "User",
    "nonce": "0x69f0bb519d9bd0fabb3b98fd50b54d2745046a9d0acfc9386467c1e3d0a87430",
    "signature": "0xb5fc89a1fc9e2d12a4eaba8a822e23760a333fa5f23d1e0758d270aa96b422271081e846381259cead33462cd1814f678967cc227e676452142ab1037b26dfcc1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}