{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55042",
    "entityType": "User",
    "nonce": "0x4f8d792bd2c30a0b6bf79d8e12f0a64a97475e78b3c1232f5067118957dfa648",
    "signature": "0x14bf62ae2ebc93b81619832d30cdec7b6875ef80b2596f91b017a3e3bc91233b398a9af4349e2d1a59b4c8589df6a40c1994a3771f301c6c35ff4fa5a2e3a81b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}