{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xa9df7f48467c418604d362ac431c60f647280a5a99e85f21428fb184519fb65a",
    "signature": "0x6cdaaca68a7bd1961b000ab98ba631e9b0defb3d38ac377a5302101e1154728a10a1529f6e6c751733882355bd8030f5b1a60e44c388818889268c5b3859b9a71c",
    "signer": "0x28E041745695914518512137a56c9810034C10B9",
    "userId": "134529"
  }
}