{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313481598",
    "entityType": "User",
    "nonce": "0x31dcb9c042624a7f57efb67d903d0a4f0f6d70ceff9aa14e4be4689e499ae989",
    "signature": "0x05b4c0df26a403f57ff5c35e15d4ae6dccabb81b1fe36fc5c90dc87005bd5ec06ca5be69378942e33746b7747ced523f7ca75ad1f216dc1b4715eedab47730361b",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}