{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x28dcded22aa787bb6edcf52369c5759c344c107c789cc1c9d46c8ced2542ef3a",
    "signature": "0xb360e5fee6aae668311caae57fe3774cc55c59028cb2ab4c9d935f875fe301c74108b2a26af82dc5832d2eb622db450070c40de88ce9249c784c8e2af06e2b471c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}