{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "809932743",
    "entityType": "User",
    "nonce": "0xd1653ce91db46eca05e5dafd6a8a7047893915b822bec644f42055a9c41619f2",
    "signature": "0x20db450b38c4614bcd3c35c5a3637035d65d7f7f69c98b608e8f4f0543fa8ea054900cc55e6b6e5e78d108df85f680b83fb1b99419c14f974dbde186175421a91c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}