{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3434",
    "entityType": "User",
    "nonce": "0x0b7579193da999a9a0e0ba35ceff9a0d5aebe29dcd9f59123da0243311e072b4",
    "signature": "0xa175575f1bbd3c7cb4d7b02af508a731f379121b15d997c0be57fd6203e8db7c3ac5ed5bd6037cc7cb87f19341f385df712ea1a3dbd9202b6661d3f500b8e77c1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}