{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104615",
    "entityType": "User",
    "nonce": "0x868d3a18f7fb2a377038e5db83e68957ba98ea3ba30c0e63bcd4614dd2316f10",
    "signature": "0x3594f60f5b8604c8ff1c181c2568442b6f552f8eef3789e53d3c932975f1b13355ddad46d1b8db068a3d7137eec1faac20785152e5c56def9ef7ca0b404b75c61b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}