{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182546",
    "entityType": "User",
    "nonce": "0x3e34a08164b7c206214d26ef05b55f8943c257c78eaadfc2263df50e8685e70b",
    "signature": "0xe47f983c6d21be2c42720918a93c00c9cf8c04ab3ed36f381be947d080e6432458e41586264e162cefbfa8d195494b90a01df9e5722d09f44daaaad668cf73991b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}