{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14223",
    "entityType": "User",
    "nonce": "0x797288bfd324542aaa631c22d1f89246ba537d87a9d658fed3e0da7f111da979",
    "signature": "0xa6217f0ec6bd0f3c4f1534e25117d86e69929b1cea9989d92d37da16c7ed2e0777e9e14ac7cc943450040e6c6e3a38980da869866e4dec94ff20a4e5345a7c5e1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}