{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "732876",
    "entityType": "User",
    "nonce": "0x796a426a60f56527ed48cdf556ac6914269e034ed429f800a916a4fc6dbe56c3",
    "signature": "0x0cac4bd645d47accbdd86bc3670579bdee1a29a5f085be1b14f2e11b8e628e9e101f178b7d52f7c5855e93087c3efb4a427f77cac4e480d329dddc1c19f43f7b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}