{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6838510",
    "entityType": "User",
    "nonce": "0x65aa7ffecb0c16e7f1c2012acd3e032323fa273cae434ecf450c4e41fc7bba0a",
    "signature": "0xc7e81b8ce034fae171261c1329581b2af80397d3426e5553df694166e6621c6678d0693bdcbd5d0c33a9ee57463c3d07cc03f2241e5d45b113925bd59c8f5a7d1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}