{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182733",
    "entityType": "User",
    "nonce": "0xf93b4a66547123d9037f13b94dc4efad791bb629a43341bf3374e68ba1c8b15a",
    "signature": "0x371866111408c4556aaa043b98dbc40d0375fa0cd7a9e16f5eccc05ea10bf0426cc71cf0477cb6a098041abeb6c70c61c62de148f35e13521431e67b9b61f0d81b",
    "signer": "0x7CDA77E08CecB6DBD20490207A731143FC007CA7",
    "userId": "8550967"
  }
}