{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313481598",
    "entityType": "User",
    "nonce": "0x36ac2e70010d2d54b9a6eb6737962120e80b56f8ea335cca226f869e4624b3e5",
    "signature": "0x43f26984a841c7d2aaf5d22b7178af6fc09b092b7b395efdc5c99078181988c14795139560a19ad44919564ae6b49e884907b8604646dbf10e0d16c8ac3441621b",
    "signer": "0x1A748d74Db6424f9EA1Ce41A3A445631765103bc",
    "userId": "799948905"
  }
}