{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "122386",
    "entityType": "User",
    "nonce": "0x0bedcd6d0f50a561571ba2b23ec40df7ad9747e818abecdfa1a8ac11d088609b",
    "signature": "0xe09fc2bf9e88c08dfe3498e76ea95b1df1314cbbfaa6d4a24cc7c3ef83b4ee24281c572cf05130421fa26c91ac04202d7582a152474c88130ea58a9ad77eb9af1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}