{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "712688986",
    "entityType": "User",
    "nonce": "0x49c132a013ff2fd231afa046562ec58efaf0cf43857552c8353d54ee5a1989e6",
    "signature": "0xb98e522d32c60df64caf78b9afc4fe12673cfcceb93286fb2e479c66e2f13ab47feea63367fd31f73d860184da6023c8ad78045b62a5b93491035309206c560a1b",
    "signer": "0x2F7db4C1AE3922aD0f32CEdED1870278dd17b64b",
    "userId": "467213409"
  }
}