{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "320009",
    "entityType": "User",
    "nonce": "0x70f537138ae8c7192b9a70bf850dca89715dfe11d8125ad2eab3d44e61df7c73",
    "signature": "0xd84628d54f83d1415510a6195483d7b9e4f6236bea8a0f2e401184ecb28a77f248ca97aa2d8482e1988ef13dcf835d241d8647f4c8a2785d299a69ee396669c11b",
    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}