{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42614",
    "entityType": "User",
    "nonce": "0x05e1805b5f6252b24aaed73f8a3a382f15653e089ea67786ecbe2dd43af6f95a",
    "signature": "0xabedf16bce663873adc59cf54c73a6f42278010640cc317bc910326f00976cd42d59826b1f7d08b74d6af5c34075bbb2cbd9bf8978e4b81295f532058902c9131c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}