{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "693243883",
    "entityType": "User",
    "nonce": "0x5a66828f9f4fc5e2be1d7cfafc6f8d893cd7658c3665e46c85d726eb238236f1",
    "signature": "0x5c9ad63f0029170d78b46df48d0f3403b007c6f99408aef013cde61961722ee37b59fee8bda82771fa87337446367fcdd3b4efe38eb81f98a1f3bd84aa318db01c",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}