{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc627eeb8ff916be3eac7048f09735c6f7cc0e92edf263279ab2bc50a848d02e7",
    "signature": "0x49edd9a9fc30a9175a538e31846b225955b3e69ca9d4086a4876a098d58e079f0eafbdabed3e6f80eec6375430ba6ffe34435fa07c48cadcca7fe140db295dc31b",
    "signer": "0x5020b06960773deF337dde65029F72631140b24d",
    "userId": "72610064"
  }
}