{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224842307",
    "entityType": "User",
    "nonce": "0xd2097378f81d909a394ecd3ef768a389175e1bab5f9051222f6020911b3041e0",
    "signature": "0x9aba3b47cab0212a26a75a59ebd359d5951e88ddfb461633f11a223cd9a8324676570c0f5db4b30dcb29e8300b9bf29af7fe2dbf329fc44051ac9eee8633607b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}