{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887242445",
    "entityType": "User",
    "nonce": "0x8e6c5deaf75a3a3d4f6f20141a45e0f73918ab1f1b8f03e6a38b87b943bb2329",
    "signature": "0x6e3ca206a7fbe0bf16067dffe55ac830732049825e78035940beae772663c708267ee95e26ec6eb3a86bf422ab1ac089cfd0f339b43e59bfbd0fe2ca8e6057171b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}