{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62635",
    "entityType": "User",
    "nonce": "0x5353b1d41ecc775916c5ace65178e379839bf64cd956d58ed2638845f96dd18d",
    "signature": "0x6ca6958b3b0e0346cccd6d8e1b82e401651fcfcb4bad6a4b54084f08ecd4938218728ecf7b2eedf942f69373a5a1b9c70e740569f4506e86d9ed6a76da8e728a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}