{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x7c4089e3d255c27fed2e56828861185a575c2a8d9d649910dbb971245d6d0d1c",
    "signature": "0x3f377f30186a1150f115103daa55a93f4877de554cfb94ea99d736fde6a183032ad573f40eb2c9a72828c7863dbd7bc8b7be14df202f6659cfa93d239cd925021c",
    "signer": "0xd32819732210Ea4B81f5Ee202a2bcb7704aFEaA1",
    "userId": "714016562"
  }
}