{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91965250",
    "entityType": "User",
    "nonce": "0x73867a12b6019e3b718066194451e2db309ec1791de306aa8bfe914d0c723265",
    "signature": "0xd027100c406f55bc569fd036b886edc35c8090d14f9fa17382973bdd9ff792e7659344ce5d18275c24db7a3ca8e1b1de0b3aac5e6dc88dbedbaa77dc80d449071b",
    "signer": "0x5B01df050c773fa1D1f9A4aA93A9237C8EA2fEEb",
    "userId": "579019814"
  }
}