{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "672",
    "entityType": "User",
    "nonce": "0x33277196cca8cb65487c1ce9d84f1f88d801c082538c621647eb5ba5a7d78581",
    "signature": "0x28790f4fa91421cef0c6205de5d05025fafd34c85b91ab6a71e5a703e9cf7ad845d66a2d2d2ec84f3945d6d2e6824692ebbd96919c273733229144b6c39f81ab1b",
    "signer": "0xeedA6724a44005BA167A1fcf0822722aB0C2f2dA",
    "userId": "984259712"
  }
}