{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75025",
    "entityType": "User",
    "nonce": "0x9e5860a17594abb3c91cb52b41ece1313e7e38c46a14390578f3f92cc86f4f2a",
    "signature": "0x738fe93f987d576821d5849c5187f1b22f955ca6116805dbf58ef2812ffe2a5d22c6ebf4700b7a752cf3100840dc607d122d97fc0dd6be0857323f3fb2d553c91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}