{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386745392",
    "entityType": "User",
    "nonce": "0x354abffb40ae28781ba147c834baa3c8c008dc4b778439e3fbc08e9eab91db99",
    "signature": "0xcd11858c8fe3dbdd49dfc8397f0f9f03cc8b6e2298971d88c5eed7c7891b79ee5b7a50045dac2010065fbeaff09cd03f45a166be4876f5bc845a63f05277a5931b",
    "signer": "0xDFe639764a8C44FE3a4497E14De305c8EeFE1bbF",
    "userId": "753150719"
  }
}