{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17349",
    "entityType": "User",
    "nonce": "0x26c80d82dd6a096cb7398e0cfe8c5c21102992fe10bf573b817efd79d0d50677",
    "signature": "0xa465e0c3de59465bf612358d88102afe4b7fea71d01c9d16cc066b6f796a893e6130208a6af006071933236c0fd7a158c32b717e6d4102719cbb1a900c2d13b61c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}