{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1010088",
    "entityType": "User",
    "nonce": "0xc9cfa127d10bf35fa4ce0816b67f6480711a617cf8b9261801718b98c7013225",
    "signature": "0x4f24a1427414cfd01754d3c7105011d21e1b9e2d44210cf07481025ffdda735c5f4b5c0be34bcaddac6d47c3e16f8b28cf92cf72679e54c1e893b4c8b3df29d91b",
    "signer": "0xaC5cce7598F0Eb17aaE90fc5c8221B0312d77aFb",
    "userId": "329521655"
  }
}