{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68589",
    "entityType": "User",
    "nonce": "0x41ece4d75d8b4a73038d74d9a283e459d1edc71c8fc9510948960fc31eb3d7e1",
    "signature": "0xe5a9fedde2e2c4c564556544290971f296d4e5abeec05b362bcbf6be7e734c640363c515c579a26cbc1259f33faf3859e0894501f5e28f72903ac81b3cd8cc961c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}