{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "635293",
    "entityType": "User",
    "nonce": "0x2737c3d2ad07cd73feac99af826e2ab0c4272ce9ba6249f359190b25884f7cbe",
    "signature": "0xbf0406ffb82fd3e8d35e044b4befa2e692d07c9134f0a22ec61e6dec81e76c576a9ac296d1fa21a2e859033320a01e4746706199efda54b972f3a021668437311c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}