{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1417423",
    "entityType": "User",
    "nonce": "0x6741f97c4087a9170b17314e1a8a9f507c4e0b0d51a5c59c913ddca09bf399d8",
    "signature": "0xa0eddcfba7b59507307de09af9e2a29026c0587a97ad7ea6cae9bc27b144520d2393c50ed689068a40dcc6b1e1228afdb6c242e9e007034ce96886a2506d05501b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}