{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72927",
    "entityType": "User",
    "nonce": "0x8c1bc8c668abe92170c672cc45000795261224de12c33d1b68f7ca1ff3278a71",
    "signature": "0x1ee73f5cb7f33039b4b0feb73208874e496b445ff9f6bb57174eb39134606a6c44696dab6bc07188651020f0dbcddb47bbb46b0fffa772c5600bfd1554ac05101c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}