{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8223",
    "entityType": "User",
    "nonce": "0xd79a15a98b68e75ad83d3c2f7d92b52c306e56f64c8267840b59f789c161db46",
    "signature": "0x6c894ec01884b508ab255edc6ed5c2b065fb3f8a725ab4964f3078ae3636e8b62399040309cdeacfc6dc3cc72388e1967f184435770bf83a1dc6f836ae5312621b",
    "signer": "0x0246262E4959323EAC2FBf603C6D24352d57Fc51",
    "userId": "700531000"
  }
}