{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "794689919",
    "entityType": "User",
    "nonce": "0xcfd3c8132a9e28d3a7e965ce1be2872b40f2a593581c5d8aedb4289f8ea2e587",
    "signature": "0x4f2240c501269f5e342ef4905077dd7251613211874133f1a4726faa24566ace5276ea1623a14a7b502c7f2c28a3e3188af2337f2f6740b0ea5a5cf5cb2bb6961b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}