{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12166",
    "entityType": "User",
    "nonce": "0xc3b1dfa402cd6fe1c35b047dbef237e0c872273468bd90bb0050694c4d0c47fe",
    "signature": "0xf354abc0339dfba3d6ed7d2d8724f5702cd93e1e0241e18c61d56f1a40415e0a6b97a9ee6d9b348102720f4a3110aa0c788474c3df82b5ae7d17794ba973d37c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}