{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1010276",
    "entityType": "User",
    "nonce": "0x680dadd42b081c229bb3325d67603d33a7d636173ec05df757075e03e12c7e76",
    "signature": "0x92d06ab5450ca123d3db7d68b907c1d44c7078ecca35812b292be28ee7ace6fb67c4c46932e4816d17fc48f1585debec04f0bf6b1113984955473dfde1c64fd91c",
    "signer": "0x546643B8F8164fB6dC42c93F65D31C17676Cd995",
    "userId": "305541868"
  }
}