{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2812",
    "entityType": "User",
    "nonce": "0x2bdc258a06df04528c8e5436e862ba7f175fc54b11c26d51a6fc7d8679378b02",
    "signature": "0x73e9120395eee7aab17b98107d2b2a1f9c7f4f5bdcdb8476ec0af811a4a5587a5e6cb2520cf7f93271d532eed9258c0ccd926e61e2b99abf30190f826aaa55ff1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}