{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x523ea9b4e32b1d435ac72edbff21999472c65482414952ccb3ccd4d1d03331a1",
    "signature": "0x4a2d9c71e96be2ef904dc89c40fe0cc1451b8d1828feb0c523e541b493b34a005dcac2647a170ff7490b423c59a85e9c1ae92304b070bb77ea7da020108faf5e1c",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}