{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1512933",
    "entityType": "User",
    "nonce": "0x0e8132f0256336275fa723093a4056ff3f07cbd37d8f3eaa38ed1569cab9d4e5",
    "signature": "0xee2d82b323a96101a16094e22d256988c8fbf0542e22b3fa67ec77c05c679e480184295d5cad268f66c65fc77e3c1493b9d3e45fc6cdf3861e025c400c714bcd1c",
    "signer": "0x227c6D4cdFc19155a5212Bc082E6079835436E1e",
    "userId": "94961"
  }
}