{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x91723fe99a8932b96f9ea0ac20760b5b8b69d883a43a495786867f62181983ba",
    "signature": "0x4789422a889d34a77d8957c019524bb56ac110ba17ff1285db9906f6b6ef489a69ddff7a8e5a37b995e323116aa6a9a767bd378bcdb234461e575adc0a0361a81c",
    "signer": "0xe4Fb8D533DCd28FC759448A220f4Ee07689D5493",
    "userId": "47862418"
  }
}