{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16782",
    "entityType": "User",
    "nonce": "0xbab92f48f9f1179c27032238369424abb8507903ebabb2f03fc659d995be4838",
    "signature": "0x67c33ed341a64e3232729f53c62b6f7657cd1598a4f7567896b55c77bc3ccef8233978c37a1b6fb475e46caec0fdbe57c48c44ecfabbea5880fc093066ab8dd91c",
    "signer": "0xc00163EC4A1f48C70D0b676b7F5c071142de6C02",
    "userId": "227991193"
  }
}