{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584724126",
    "entityType": "User",
    "nonce": "0x685cf6f6552a98c78df582e408aea764d624f3171dfd88a050cd1903ccba7d20",
    "signature": "0xd48a6d038e5bf9cef5c70fea1000f775171ca5abb8838e866c9b9bb593b4d0777b2a143ef783fd1f96baeeb4cfacbb87123a132e5f7a563f6b072b2c7a7261571b",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}