{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360354",
    "entityType": "User",
    "nonce": "0x8a5b6a0ece5dab7c6541a063bf44f0fff2352f3a15a7627ef8c9b2b45a70bcf7",
    "signature": "0xc5c34f8308dc6d097f43e8df6c9db8f5bfc442f292f24d2e504efe98b7ac43cd4384402b18d7e6deddb1fe27f15b26daba50f10244ab1fb6b5b1d1e1492d29b01c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}