{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x91ac6af092c41d788002d9842e4be4379ea9064b8e006da27542fc15a47e26dd",
    "signature": "0x955b06c633164ab3d4da3f0dcdad9b7717da7dbe9715c163e391de7adb89b30a1c3c9f6c1cb9b242de5dcfc1b84aca93503cea26b09345c66ff95b2d7479be131c",
    "signer": "0x9a5ed0b3F555Cb77D9B73d00AF43BaA4F88b1487",
    "userId": "736503935"
  }
}