{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "766654",
    "entityType": "User",
    "nonce": "0xa6cad16f361ad53427e48b208a3d706e157be55db252f44170793e45082626f6",
    "signature": "0xbdf6f7df105c4d3d1f5bb16984cb2587f6e2423df1a687185abe6385d4ce9c9c0989d05dcbbefb421fb7a91daff46ad4085e021a43d838004588b87d4fc7eb5c1c",
    "signer": "0xB6977e46032867474008Cd2f452F2c7a140Ab305",
    "userId": "106614376"
  }
}