{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100877",
    "entityType": "User",
    "nonce": "0x0fac21e148a4d62c75d134489753bd55f92db53ee6bbb1d73596b08848892498",
    "signature": "0x30649ffbc575af3c4b7b8090a5f11199d33e1e7d9f695f79837008d428c5dd642b8d1a7f5a9fc23306061c5b2fbdf52c941db988317da2fe03d637d5dbb511781b",
    "signer": "0x227c6D4cdFc19155a5212Bc082E6079835436E1e",
    "userId": "94961"
  }
}