{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xedb313e6480f7eed033618a21420557c265d9d637934c870b004af66e22f5ff1",
    "signature": "0x6d30edf0cdebc0b9a6f831ae0f29c2d44bc86d1df9b1783eb97c9c3b37cc32b33d908f1f32b34ff128ae6017d3d238fd38a43bba216a4de8421876bcb78683af1b",
    "signer": "0x809Db232a6131f46553BA571FB17bFA2cc58aeE9",
    "userId": "351386054"
  }
}