{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0xb5685693d599fa89e273557cbb75972b3b5348d8a8e30109e8f9b18e86fecef0",
    "signature": "0x3694c23920b9951c9ef31c5242dd040cd6b6ae5948458941acd80acc6e4ad399005308f8717ea0b777762ac41c48cc63049b1c64ee04959485e4e1d7bd5f85811b",
    "signer": "0x451d1Fcc610ac6c427d570E73Cb3641Acfa23b6b",
    "userId": "134623867"
  }
}