{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "233271",
    "entityType": "User",
    "nonce": "0x3c0acfc179f72bde3db1401615b878f49177e98868302ef6ee11c4b976dc247b",
    "signature": "0xb53fa5c9af2d948f1945c3294bf705e1d290e619641e7b1d48dc99e6822b891a7f9f700c133a7a5e1456899c39dc1ebc428a94b5c0f9e2d6272d8a866adc9c1a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}