{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141845",
    "entityType": "User",
    "nonce": "0xd77bc84b80537abbe364eb76725b1a6d1a95ec165ca6fa00d00f643eaffeada0",
    "signature": "0xbe4605d480ab6688f4fa64d979217be933a9213566d2cc670a6fa4c984d13a476b9f4918cb2a93ef3449a608c3bc2b39a48ea562906f19d60765460cc2d64ffd1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}