{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40274",
    "entityType": "User",
    "nonce": "0x1cf0b14b9a63e99b7c0891b880e0dced31f783515a7f056273fa7cf0997c606f",
    "signature": "0xc07ba75ac0201431adbb9d806d95af143001db8900e5db44fe4b332a87069b584ad0113e564b8d2c454fa7d3e15e9f3cda41d15e37d1d26543895d7181bbfe8d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}