{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x6c3a362d030eb08c9c584f36226b97efe33fb2ca8ee3661077d7e0133ba8e2cc",
    "signature": "0xb7ea7065a849adb8342b95a1f0ea63d82971c72c3dfaece0f5c96bed94c1c2b31320ec69d72e2ee6d1869dce2fef1795df1340aad2606cc71e0ef2e9785054ef1c",
    "signer": "0x190b45da1e3F48ad1551D8a1D4A02e17d847674f",
    "userId": "384443009"
  }
}