{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "825313771",
    "entityType": "User",
    "nonce": "0xd4e7a031cc8dee81db72264221de746e685134f4ca5332c54d48419a31fb3bde",
    "signature": "0x518fe64db0fb75422108d966ec3d7e65fd7169a38b5820645dc1d4e7499cfb361f0af45395078342193df277b9fb1ad1f13eb62890bb7ac648688f3f0fa539ff1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}