{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x7acff14cd737ec2d053d5f9fdd37cea16563273a78212258ea28704ed33d2d9c",
    "signature": "0xee429888237eada32309580c0be1a66986975f497c17f1a973b4d4e0c040d82906ad8daf1d4a9136bde44ac33d52f84eb4e26211982bdab66ce3c417e392fc091c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}