{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "415050011",
    "entityType": "User",
    "nonce": "0x165af6b9fe367a9beff3ce36d9b8c68751e881c44fc5bfad40962c41e230185a",
    "signature": "0xf5627ccf36a06b9d28446a97e113f20d4995691539bdd3c858b53c59311afa2a3c5a0ae7383a745950471512ce5c5d0d1ef7bd73fb247904e6fae0c3e26931711c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}