{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69922",
    "entityType": "User",
    "nonce": "0x9b31ced499db2759309031c400ac733958fced10759ab12cddc9b8cf728c388b",
    "signature": "0x7faaa6ddc4d497e108fcc2e52ca1938d47077ecebee7e28957139701e50cee5c51ecb109ebc28ee660271f5913761a2c641de61d92f431bd97546f6e5b2257001b",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}