{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xb092f4ff7004b3e9ff3c3c54c1b02ab4b46222163230dc652e8afb26de3926e5",
    "signature": "0x208562518152fb5e028791e19cd9aa63eb02cd8d882401eace5ff7f5cf444cf50f024606021bc096c7dab68c5f086bb4a5cf21644fa0ce004231def28c462a361b",
    "signer": "0xdb5Cb435b7cb6239B66F90AE3D80297c020464d9",
    "userId": "829458818"
  }
}