{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0x23befc7ce40a659344cf13619167541332baca231ec61498c4bc185ae091e266",
    "signature": "0xcee79b1471ceeb29ca06ca26cdd71236babee59a423400940494d0206ae2ebd314ea6eba573ec515cf43fc93f763847ed737f10a5818884f71a38514a7c431341c",
    "signer": "0x134f5c1f8716402474824c6A0AE855af1E3053eB",
    "userId": "462352719"
  }
}