{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6ee4d9fb3167693a83225fca45619c7d5b00941f77f65527f113b735b8af4154",
    "signature": "0x821c5c28228523993f47a935547a0ec52af701c2ec57933ff6cd67652321261853eea5cec6be60b5394f5d5dfdd9688d30a3ac963741dc5a47d7669b2a07bbb91c",
    "signer": "0xfb584841497aE6Ccb8b73ea6F7F8dc6247d63EeA",
    "userId": "265794738"
  }
}