{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "733460774",
    "entityType": "User",
    "nonce": "0x60098af5613a40b7fd4cb092a3661677b49b4c4e5ddd3fa43d4ab2af785062db",
    "signature": "0xb362533c808949fa037351eec8d9002975f782b59ecc1aaa2ab2ab98e0f759be19b038abeb2adf304aab4bbc23c28953c43c4f001ead0a70efb296f88029310d1c",
    "signer": "0x148cd05E851795b6BD8A5E8D818c12360BecF2B1",
    "userId": "436176942"
  }
}