{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6b8e83181c821503754d49306cd316c2d1846bab1e207790cc23cf48abe49ade",
    "signature": "0x7afc63c1f4e8e7848949bc00cd01cf63dcd71a6c628c69a5acb1dfd37a3c796a0c652ae174fe15d507944f3ef59945ad8b2d6e069e96e36c281d6c05c8f2a4cf1c",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}