{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765901034",
    "entityType": "User",
    "nonce": "0x23b6de7dd1cc71a3e7fbcc9ec0adf51e673f274b276b4bf09370762bcd3a95ef",
    "signature": "0x6dbb8fcd71d31da6e9fd55e7d851a8f2fe1afa691847753f80d1aec869bfe67a41bb4816a8dd3b120698651e80d9342adf6de616d808de08497e5ca33e769ac41c",
    "signer": "0x0246262E4959323EAC2FBf603C6D24352d57Fc51",
    "userId": "700531000"
  }
}