{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xf7a489ef7ece99560ebd96c482849d24e4592617e573817918557d7b970909a8",
    "signature": "0x94f882022522f4eb1f9fc877a8a4e8bfe402b39fa464c9f7e20dacc5903e5c1f00d0ff194c5852e5af1ab8f2239af1ae4c1dc75ed049959d25a857ef531cc2fd1c",
    "signer": "0xf76Be3e57D30ebb176cA7D31f49157c7f56E6b0D",
    "userId": "204302128"
  }
}