{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xa1f4f87d1f91943c310dd365ce6f391defccc3bfb358a53985aec65234c82e67",
    "signature": "0xcb4481dcbf00f060293fed48f38d668689a3cfc3762d5c067cb76782ed4a3e6b42dee06445383125c7d01afc725d94255e7dc9e2df01569fb665db611f38ded21c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}