{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8deaeb97ab69af3d571a22b9232a9c3f044c2e2010df94a3a76918fdf3997ada",
    "signature": "0x83c37ae3c0deea1ec832916b042c1e557c389d7cf231bb73d2a0240693fd11402854c3c867a23e9f9be8bcb2dae993b220ee3d13e89ce2bf5ec0c20a7dec39d11b",
    "signer": "0x44eBDF6bd1f5Daf66bBebBd0C8b4545189785860",
    "userId": "135075004"
  }
}