{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9507",
    "entityType": "User",
    "nonce": "0xdf7c6b7e748c57d9418e5d6d212f5d5890bf584ca9d8972a9781b473cde3832f",
    "signature": "0x6e41f71d936cac64481254892929edcf86dcb728d091851d848e3c01913058863dca3664835d0bce693735f1510480ea2b87d53d67f8cc582f46b4f5e1c6862c1c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}