{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x85817cb85e03db25ae0aa421f2a1d26178a91369ad7cc0691e4830230e227116",
    "signature": "0xff1fdc76c60f8f0ded3411342e69fdd70628e5bc09995a8b302ef2596fb3f26439cdc218a1cb78827a3d2cba1e3db9a2b5ad3590c855418aca7bf6035a5663ce1b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}