{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "842627272",
    "entityType": "User",
    "nonce": "0xb088bdd3426a60251239dda6b2edf530bda565c5bf843bf01151c0f250b7683a",
    "signature": "0xa19782909a03153db2bc366d9b553d8c075a041386d1cce970e92ebaf3fa63367ac69d26d35a77dc58c5922ab30a45c2e5d0126603e9d25a4d0b919fb380d0661c",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}