{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172110",
    "entityType": "User",
    "nonce": "0x0af8e6eaf090ee466f88d62fb2087835e7f0df4b1526e2fdbbbfef2d98c0f8b6",
    "signature": "0xb60086f13d2ce2f9c7d74d200d352eeb416b2721dde9c5e3e610f48396013e8f1359445c3146d2b245e1cd618e82fcb8b966bd0a92205993ab73f9fa464f36b31c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}