{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392926",
    "entityType": "User",
    "nonce": "0xeb874c5c6aedf51237fa1f980b35f99f850564637e86f93601ea6949edb769c0",
    "signature": "0x3e17fd23877d6dd01c5aa63c74eeadeaa066b07e87ff3a969a921ccc107154506bcb40c2798df54e2e171f59babb3c88216a4daa2b185d6b43f37d0e836473bb1c",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}