{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120824",
    "entityType": "User",
    "nonce": "0x7b332b751a00335fcd3280da8ffc5393aaf7e952ad9d34cec8f69ed9ef354f2f",
    "signature": "0xdae374a0a3257033646601503bba0a658de63d8f96e21038b639b5814bfa6a380ceb1e37cf3625b00f0b6d9dbb1acfee3a02d439f41755865905e7bdd911043f1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}