{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101259894",
    "entityType": "User",
    "nonce": "0x32b18283f882f73415fa394fd95b2ab333ba3ba247ecdba2a4a3507a2634973c",
    "signature": "0xbc779ebe434022c2ed06824729182472a8f56ec0f72e72b4fc8c6f6a9324ea794e16f31988c87c386f546ce6041905f4d15ab5eae313d8e72b35e99c7d6fa5241b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}