{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281682",
    "entityType": "User",
    "nonce": "0x6159e66f1d31759fce8aa2a659ba20846968c6b600a74ddd0d0b77ab92aeb3c5",
    "signature": "0xa392b98cea594c848bf9cb71047ec94a34c88347e4d9c626051912a79e3d82b35b90630b19d05c911dcee940b0f17cef2f3af07297da56672b99a29e06183cca1b",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}