{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "312732",
    "entityType": "User",
    "nonce": "0xcdb2076678cfacbb201cc984fc645911130eda28644c08edc2090352b874e0cc",
    "signature": "0xf36add0c477a7b905d23b0499a4f7b51589dfc46f6ab98e9fcb0a8ba4d9919d9093cd829802bad290c9bc1a278e465eaab3fbd1e583cb8f58221f77d1e0229991b",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}