{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51224",
    "entityType": "User",
    "nonce": "0x4f161c74f07b5c86e19d0da50dc970a8c7d23d15961bcf433c37678ce0f05d99",
    "signature": "0xff51d79912a86bafa0a68632cf8c2705fd0cd1b569d4e51a6285d62b42fe995458e9f0b7b72c28b00001d239da041537edfd483e4186d3d2e1514cd656a887f61b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}