{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "932913352",
    "entityType": "User",
    "nonce": "0xc809f247692ca9020cca41e26ba71f717d40ba12122d51aa328e62a4230ecd85",
    "signature": "0xfd07e63567619754f685001d4906c2a57dcd145133db347f3b82b015d926560320398622fc21a848300844756a21e47a6114d27ed32d15c3072237b148bd37e41b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}