{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "280440301",
    "entityType": "User",
    "nonce": "0x214b5715a3da6ff282f9ee88d39d83cf172955796da9c35e51d892bc3709ea63",
    "signature": "0xfcb171f95204863c10d8243d34e870932c339d753cc1598b39d7d974aa207ac634ffc85255fee473c7face8b60290490ad183134b5468f0e0143267d6534d81c1b",
    "signer": "0x093C86E393737EEcdcB8D9295A09f8A5b7d3aE13",
    "userId": "304837385"
  }
}