{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xd8fc5d845c305cea1711dc82b579462d84769f6f11a1697a300ab01454dc4500",
    "signature": "0x5e9d87c44c7a871db749d96f292a6dc1d958c29733f0285d9556ecf7d059631725e35b079c706d76899c70ac927a831b82ab54b4c2a70f738135ec6db925f53e1c",
    "signer": "0x5b2F3F58c9c7f7A4C88db0bD454A1920416Ff15d",
    "userId": "51387"
  }
}