{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "776994971",
    "entityType": "User",
    "nonce": "0xf01c588d0c40c5ad18c9c01c1a89b1b8a43b680ff6c1134a89bb5272181d1c08",
    "signature": "0x28eebcafcc7cbb22256d8be9480bfc1ab39eb95fc31774c0c7e2170e8d3a26b97600ff8ac47976d15c5da4ebf9c6a2b5a411ecea286570d655a2ad7a8de6632a1b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}