{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1682936",
    "entityType": "User",
    "nonce": "0x5fb9dc7267a6297798a5a77c2ae3a327e137a7818cdb458bb707748b164c41af",
    "signature": "0x19371835c148dc1a87a48cd9c4cf6eda371e630893681599f3771ef3e77334aa7824f6e947f0c3f907baa3d86bfa9a6839f188facf15a2364263f53add0076fe1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}