{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8eed1c3c57f5b0f8bd60f8c74ab59a2308243cb1dda693ada61714d4c0aa46ae",
    "signature": "0x9dac3078d6f68882d1009d07db98a4b480168ad9d7e1d27faeaee3349237f7612862f862be1a5b1afecee53a58c4fda06786d34c10247b3cdee88032d85848ee1c",
    "signer": "0x63B5aB5931d5b70DB6CEcE08E6298CC38898d01C",
    "userId": "433140359"
  }
}