{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943474958",
    "entityType": "User",
    "nonce": "0xa9273a647a248e123bbcc429137825e3c444d5c526c5de675c9d9e88e1332b8e",
    "signature": "0x7ff6828f3f6dcd22bb3158efe67c403336a27c34cfcd7b25a409c30413641c447f6d7ad7c51b2d0bdb257fc9e622947b10db43d6f3dc03089db696617b0081431b",
    "signer": "0x8a278E79c8E7e655B94c3e6798972A44Daa2c6ad",
    "userId": "24098924"
  }
}