{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0x489cdb91f9cfe125336665a2b0b8dfd2a412864ea7bbb55aa7cbfc4c527964fc",
    "signature": "0x368f9401006c8b098dddd6d258fda2e684502d598e00449848247f8250e3f3cf7803dbc3245fd60ee501847908e07fc73765cef1f86b3915f126e0231dda175e1b",
    "signer": "0x03015d975f8B0d07425826BFAc15A4492F59a5B7",
    "userId": "658736296"
  }
}