{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "582447217",
    "entityType": "User",
    "nonce": "0x8818c96f0e588fc27f850a43f66e9fba0174afb64b08a8c7c16f1fa8b2581bd8",
    "signature": "0x67a76779b86f3ec3898aceea6f6735516a29608803ef5d0a556f8aa7e939720d766b407b78d952e8100d8aaf628336cf7be2bcc1983df593ed08fb2c559bdb9a1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}