{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4cb5ba675e0b751be31bfb68800b3d8d912a2d37925d7a070a42636d5b5bfa5c",
    "signature": "0x35f8eef30b485547a7788b3e3ae1682c510a30992046d160cc6952e93e460d4d7f42cdb36df5ac5bfac94e12a60352bd5833ef0aa180f6cbbfda4c011217b8631c",
    "signer": "0x80B32192ce8F9b3450dBa022af9F0cF2a3Ef0094",
    "userId": "923732594"
  }
}