{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147057",
    "entityType": "User",
    "nonce": "0x8eb809d5d91729484b2ded74e35e6a0952471e70f2c0e454dc8cb9b654285426",
    "signature": "0x7d95ce55ff1cdb070f81c0bc80f9df501beed585ae05194d84f92a0c30c5da8b42ae5277cc2e1ff7a69357d03653c1c59cd8c4011b329e6ab58333838da3872c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}