{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "924499982",
    "entityType": "User",
    "nonce": "0x4bcc98e26b22f22929de4aee16ff8b25cb5a8f30f3ba7201c154e692ccbcf160",
    "signature": "0x3b4f6de8ff9b97579ba8a5bb7186ba5fe2a32afb9ae35c82603f0eb8b5a5cfcc06fbfe61e72c7c1ca9e06bdcb32f52d9fbe0076a0207d199d0fb3fd690282c431b",
    "signer": "0xada0DAbb4efdB98D6f2e77E63FE28BE29DAB46ca",
    "userId": "572077841"
  }
}