{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "808833626",
    "entityType": "User",
    "nonce": "0x7c59da740c971a19c08d37e506b2e62579091d94a0f541fbab417d2d68cbe69a",
    "signature": "0x4891b2f81ecb8ec337d6458bf593acb16740d490ffbf7fd36dea3b7c29f8605173f2d33b28297be5974860a5d421919034f9aefc96889b06606d8c88ca9affb71c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}