{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x3477d7d4c17448b25978761d3b6b348ee625426c1a2b4f7bee839a61ee675108",
    "signature": "0xc5d9c0914fcebf4805c410797ad5bd18332db63ade44ef76f540898d10f71b761d03fd2b881f281336850a22f8a64f0a9b4005b8a0c1b6407eb48a413bbc52361b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}