{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "909780133",
    "entityType": "User",
    "nonce": "0xd806fa879dbbfbfc1e377380bc28e5ba80fff30721812dfd2bcb3c556c169540",
    "signature": "0x6af6db463a4f37b30ca06110643e794da723ffdd27e8963c35ad0d14ef8109da4a51d48d0a1121c1f5802ec3081d9ebacc5ad02cb609c1d98e7923f94c7d48a91c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}