{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x89687b58a05667661ed73c5bbff9365e303f8cb686d625c5147ecd3d16249ce8",
    "signature": "0xfbb614e5e50be9466daf952f30355909a95d8d64e8bc731d27d77c71bf206ea033610da318167d750269dacf6741a34627fcf183e96e583f793d06ea06511df01c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}