{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395811",
    "entityType": "User",
    "nonce": "0xfdc376847cba70cc8126dcce423ca71648cfafd56108e327c39b41dd2ba440c7",
    "signature": "0x1ef3d3f2b4d3ac8a13c26093eceb702a25a87cd25b90428431bd8fefbd4ab22a0a6fdd73acdae58c4a7ac1aaf00c0f8340dcbb3e7d70f53a245cdbcf5974f4c51c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}