{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x752373f67a8907abaa48133e34f18e3638669bf881868159df527fbc3cbaf9cf",
    "signature": "0x60c3f88d6b0c02371a369fc9fd2d0e590e208664394f59e6bbf0e28f1cb94ac45c677e0b0a79f57e6913e3cad62c9fd6e9741d131a0f898083c68d53acc059d91b",
    "signer": "0x175A3bebFa14E64C549CAc2962191B2B8C788421",
    "userId": "6270901"
  }
}