{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "997807577",
    "entityType": "User",
    "nonce": "0xe114287abbb335dee7f6090bf68bf67e4d22f8e1d49c3e8924d76a263aa3d9c5",
    "signature": "0xc59bd9cba741fb436106b259dea25c6599be640223679677140510f46c8bfcb15d4e539834f1ddfcbff497f0723dc6a8bcec9f5e928ce9f2e09e2e851e66f3e71b",
    "signer": "0xcF1BC458908F84936B19Ca8Cf67C751CD647B02b",
    "userId": "310796"
  }
}