{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "485987672",
    "entityType": "User",
    "nonce": "0x1bb14d60536b31c43651e3d71ca19395d461c7d04b8d3f2dcdde27df416dcf9c",
    "signature": "0xfc31ff3c596f230f56ef2f1ca0f9fccf935a5199d541b083427ad6b5e393cd44573552ec88ec7a5a3313334fa419c6077baa115a9b354697fd0c61ea66e624c41c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}