{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xa0c57b774053d4182739a4e4cd97a9c055b40dd98f91aff6352e39e55abac38e",
    "signature": "0x5f764302c319625c6c3d90e6dd0deb17034f3ab40ed2a4d5529e4f66105afe910f1a6be9232babb24dc2f297ed1c91047f5cdcd4979d2bb35e0acdc3d14589641c",
    "signer": "0x8Bd6bff4F6E7A0563fEa1235f254F88728CD3704",
    "userId": "307166514"
  }
}