{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "372483",
    "entityType": "User",
    "nonce": "0xaf97453a641a9ee40f76aae6a856d891f423b52106825b6a4a4121cfbcfed246",
    "signature": "0xbf14b58e53a312a5ab95da159b89acfa9b3944f7ff71e4f6936549f79b5992122d26a055da1bcd3f3262db1e7d90eeb86400923b321ed88adf8cf8e02f1ad0341b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}