{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51583",
    "entityType": "User",
    "nonce": "0x80dca0fb5b032026eade6abca27242d1003a6f279626cd74f461abd5b35bc821",
    "signature": "0xe26c5bf444d190935de8f14248476ffd1dfa773f879a82c2e4a9accf445072ac7d2f4e85ed157f93b6a511e91abbc274b71c9a8264201b931059494cc15fdf061b",
    "signer": "0x11cd379D12F9a2c7BAaE2f74F1914A8c50faF2c3",
    "userId": "387949683"
  }
}