{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683609933",
    "entityType": "User",
    "nonce": "0x14c69a77d6160b217ed4d20f234ea052b30675571250a24d5246e051c8f6bb5e",
    "signature": "0xed0b32f113188e8d968d6987da971c9534d5646fd503147f41b6b34ef3c8715d1d6fc9f746ea269610d1e861d0a92a15c354e35ce86c0a4d72005593edc9b5721c",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}