{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "852344394",
    "entityType": "User",
    "nonce": "0x6011e793e28dce5480752bedb02dd60b3089a9b4564cd6d18c93b4c7f9c17f0b",
    "signature": "0xde34816314b44160ef8aaf35f0549201a62ee493afb3d308ec49335fa81484e270dc7eb0e987d4dab4d2618111edb384cb6425c0c532dbb332b038672e650a351b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}