{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253160273",
    "entityType": "User",
    "nonce": "0xce44aa9a4f7be8e143c7785fa6f8dc4d0cfe0f837d2f6c40cef43b33aa0c0aec",
    "signature": "0xf12340f85341048d58c0d7bec8db3bd2c02d492a439a64a17c3030636bb1774b357e6fc72a2fa4b6795f890e3719b05d0d92a2197fad60cb9d981e11cf90e7bd1c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}