{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "971292289",
    "entityType": "User",
    "nonce": "0x96fe4490a7b7507b8db8a08a6cf3791134bbeaa087d1e52bd3f424f7c42b2582",
    "signature": "0x3ad3bfca828969221161e978bbd935affe1229f6ddaaeb945e86701533783a1266ffbf16527d43abaa66f67e8d11a0fd29329fa12793d44ef05634a814bba55a1b",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}