{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683609933",
    "entityType": "User",
    "nonce": "0xc3142db91a207b19a57222cd0a8f7b918931633a7848ee49ddf30d45e29b68d6",
    "signature": "0x20bde19185a4c39c51108b0378842cf1e4c9dc1a386fdb11c631a6d32584bfde65dc80a0b59a556f0396a6ac91ebe1c895827a6ed3234b3e3643ddea8a6f4f6b1b",
    "signer": "0x36bc6698D697Dc3869a485812450B1DB1f0a0c04",
    "userId": "400035644"
  }
}