{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162830",
    "entityType": "User",
    "nonce": "0xe8cc8cfa3586259077519bf351511db27d2d61d2e36d209eea110aae69bcf32b",
    "signature": "0x9e21363ad55ff4b12967fb71bb7544f826be40985670658de272c597017bf30b490871074da6c9d43516793bb637949deb53636852c0a545acf67499ae59f3c21b",
    "signer": "0x616810C6C7bdfF44008229BBe24fd212CC6d62Da",
    "userId": "822716103"
  }
}