{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956114594",
    "entityType": "User",
    "nonce": "0x31919c96017592fd615b75b67f62acb9c8ebebb1f885363e19bc1fddc5aee9ae",
    "signature": "0xe7a767123c3e04d12c344bd4faa60cf0e392d14dbf63a232a4f20df87fddaffa1ef64793032db0a2b0170081d5ab9f78952cd70b86f9acf36542931d61927fd71b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}