{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0x6c9d6c156f0ee5cff7e09d9172ef1c56c4fd629674d643c5cac9d2c399eaf233",
    "signature": "0x44d2c49a22bfe07ba84afa8a76563128c40c004d700d8a5deb32d2740e14d1494758e750968a20f5d3935dece233692fd30a51679447b27cc4653351db19fedc1b",
    "signer": "0x12302E88Cf971407d5bdd167b1AA2664556D3385",
    "userId": "68176371"
  }
}