{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "682798637",
    "entityType": "User",
    "nonce": "0x6f52e3b184e197856a07425c97b8360379e5d7ff8c663beb660238be6b55fc73",
    "signature": "0xa2e34fa7257fdbfbc5a2a01ed9f1c099787a036a0c2f35bfd4145d048870753205ad8e8f73ea759678b672c104d008ba75f7a90bc13addb9a48ac52fb9f1e4e41c",
    "signer": "0x1C643dD4250d7eAEa215886aE4Fb16311EC3a8c9",
    "userId": "988118528"
  }
}