{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238676",
    "entityType": "User",
    "nonce": "0xb9a4e9a7b32127b1a48c84eeac0d5ab567122180026cb62d33284e9d8b806644",
    "signature": "0x975a3d918992cf60e74b8ee8825c13ce49147e33028c10f27ab18f0576506ac8757be3ffc6e4ce933720313146d32fc191dc10159faa7859deb2291321e2c2bc1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}