{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162051",
    "entityType": "User",
    "nonce": "0xa8632e0fe7e48438050dd7423ba2891c064474f411e6db74a454b8c7d50a4016",
    "signature": "0x521b2fefa1168a5440ff84662025c1c53c3e9527dd2e6ed08ba6139e69b8ce5e1588f358610482f8cc0d7075559f0cfb03a887dd71c79afb3f49c0da46eac5b11b",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}