{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140587",
    "entityType": "User",
    "nonce": "0xd0a19126f4fceafd6d2b7dd163e12e1f1622b322e81e4973aa6c18d718f3e7bf",
    "signature": "0xdcde9eb393fa71aeee61d0adee60969e5f4ba96c9c688ccffad73faad6b12bb1396a51df113ea1cff576db7f9b6395cbea457462f0251d99b3ad9a01df689ac31b",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}