{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "337500790",
    "entityType": "User",
    "nonce": "0xdab066cb031aef4d82d5649aa528bbc83dd4d16e8f12dcc8d798c7bba26f17d3",
    "signature": "0x73295fa2bc646decb93dfe7ec419b4814c4b4081c1c7f8fd33e04d9709f5f495483a71b72c1375b3a1692224253112b231f1e7bba4bef6b1b00d53e54c499bb21b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}