{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183184",
    "entityType": "User",
    "nonce": "0x5bcf7fe09dfeba16fd8bca07b9e5e43f310253eafb34432828afd0c5d3677758",
    "signature": "0xd0ce1f472a606a3105e5e3e191388cb87f8868b159dfc18e01e34f9058a894601996eae75b7200c4c57466374ba0b3e885db3acf4eaf08ef0f201168904722001c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}