{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67863854",
    "entityType": "User",
    "nonce": "0x1fce4912abc2ee20481859219a9441246991837e2cbbd341648d2c69b18bba24",
    "signature": "0xe80d5edadc71c515b3312bc75187623161b9deee5d3329e6af2e804837c5009462a667f85e6ee3a1f935dec9ffe762cecba254cb5721ebd9e8b8c74a893365da1c",
    "signer": "0xA56552Ddf7D4d833c1B3e4f8D727B787d4D1DFFe",
    "userId": "629530515"
  }
}