{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224761",
    "entityType": "User",
    "nonce": "0xdf87375a67564cb18cb8aa2d8d15dbe95a50822e54e3e48e224680b096534372",
    "signature": "0x5e47d12db53ceae27794c580eb84153af3fdc813d4f9417dfce092072d95dfdf6d067225b8001a45c618d2ebe72683a3d5ba6cfe36436c005614173b8e6308251c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}