{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xa0db731b6caba063beef0e2593eb0682cb1a985fed143ea8eb8903a9558d6212",
    "signature": "0x636cf56d3c11030b71dac8fe33ee993d51a63819e4dba819cf43485b02e91d8a259f8f92f710bb13ffba172388a070d2cd286ca297f7a98010de6f7547c738ee1b",
    "signer": "0xA43473b76c403EDCeA8AF401394F766b725Ab463",
    "userId": "229582519"
  }
}