{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "530800498",
    "entityType": "User",
    "nonce": "0x461def2eb05bcd0898a7089fedc392577fd3dbcf6c5474097d49e6cf2bcb60be",
    "signature": "0x878dde94d035fe55a3dcd1abc98f6e1ebbb5927d3559fc15f71d37a4680cedd55b954b3daafa5c61e4a2d745833483ff769f0185afe0cc928c00ec3184e4d9301c",
    "signer": "0xE0927890059f95C33419724ba02C6F327B7e4e45",
    "userId": "769410778"
  }
}