{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88849",
    "entityType": "User",
    "nonce": "0x6af33c0f581b1a4df02855e2e44df5b5fc416df51105f1a5c6b86f945a164ca2",
    "signature": "0xaa5ff06e96d130d6eaf2e46bb6743719fe8b042ab4958362f36b2091277de7bd7d887b3eb6516520b746d6d0248abd9ae719336211f0ed4a16ac835aa273f5311c",
    "signer": "0x67E321241D4e44e5aB5D1c365505f0F33044C7BE",
    "userId": "460631539"
  }
}