{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84501",
    "entityType": "User",
    "nonce": "0x8d82595cf77e5814af47a45aed925f55e315990b2881c9ca992b8aa9bd5be294",
    "signature": "0x355cf3c40f4213678138e9b71b56c00e5eee0770ec6d8fa0ff547fea3c67862b65579f84894ea8986d9daecefdbff6018783cf2f1f476882e05f3e43f10e3a521c",
    "signer": "0x5823e56644991c5f5f29870830175996Edb011c0",
    "userId": "433764837"
  }
}