{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x26c21362fea2ed2a9352167d76eecfcacade90edc07fe621a89ae2dd8ec910fe",
    "signature": "0x60d51e3783c4d033eb2041acf06e5f0df260ab81be599f742377bdfc1c2eb0a07445059fa71ef23a811398bb5f5f7907e91117cf7f6dc5e85e35f1ac969d1d0a1b",
    "signer": "0xc1F82405E2FC55De9e9c8AE1d53d3070086243E6",
    "userId": "221018654"
  }
}