{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381286",
    "entityType": "User",
    "nonce": "0x6658b101597ecfd3b27480d7935b1cb7c9f3f47ed5354bfb016a861adc416567",
    "signature": "0xe781e194dc29622976d2d756c548075fec5f2cdca2d0333f1fbffda80c67219911ff94072bc42a95fe827b004de55c3555832141c0aaf134d5e7da705b5202cf1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}