{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94317",
    "entityType": "User",
    "nonce": "0x3036dde43fc39814759023d66d754d4aad3444941f25ce60e992ee19c55e7891",
    "signature": "0xf7a0e4b4791077a0928bf309400b5cfe6fb32d10de50324a7e1b548198bd15e842237c7f7c980b2d3a3c6b3452e2ae0fc64e9a6cd4c93dafd31700b7a0cc4a211b",
    "signer": "0x15A1679B5B40F95A49D54741E1993518dc9C2129",
    "userId": "819951979"
  }
}