{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190570807",
    "entityType": "User",
    "nonce": "0x5e0eb0061ba0f5b201ba7e1b3e36f9668ba4f6c42868769f59fc5de394d9ff16",
    "signature": "0xb9bcc6c524092809772da35c4ca72f6124eb2784f6572510b9f9207585dd8e2553d48797a9b2680b1d6dd2d6e7a336e1360b20244c77d8b91797558fcbc285401b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}