{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13898",
    "entityType": "User",
    "nonce": "0xc3fa1a7abb0ae66c1111e47a0152dd14f6dc61477c9a56498fa3a8c441ed657a",
    "signature": "0xec644b8e04b554024418a152717ba66d32a7b7447314c4c829fee0e4e55e9b4b26710feeb9ef3e84587667c056ea528d024b11fd7630a8504abf425ad830069e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}