{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "402",
    "entityType": "User",
    "nonce": "0x701683e80c9efcfaf8a9033251cc0b5ef6d77362958197785f656a19170bf785",
    "signature": "0xee0769e782c5cdb68a5a18ddcef5931ab6a5b8843708faa35877ca831049b5f370e0b29f6b8f7565437c34406843e33cb364776c9b490ce3a0c59de32f05dc061b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}