{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "699855727",
    "entityType": "User",
    "nonce": "0xac5c9808a44025117279994bbdfd628dd625938695c8f60cfceea8ed0448d956",
    "signature": "0xb3a7681f2d6fa97cb11e4d5ff899cf2689d8de32449b06509e0e044739521c6d0e79b95ea845f6bee50d7d5c50f16eb375cc7d7002de6331e81811478ac2260d1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}