{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55290787",
    "entityType": "User",
    "nonce": "0x5cb339dd29e5e045ff107a8f48d6c5be564f394b7d2324a66ca86970162bff20",
    "signature": "0xe81fc82d21b0741fea8cea73a0e0df933b959a6a5a25263bb08aa94e09e603050f3e6739ecadccaf713d53058e7ea6480442a5a0fdafbf3fe9da2bb12b5c36c21c",
    "signer": "0x87FC3581f96D45b347BB39E15f25079950C5Cc27",
    "userId": "339826419"
  }
}