{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x32b3cd53fbf7d56561097b5d583fc59708267991d5609f18977e6358fca323d8",
    "signature": "0xbaec13b1e9b1b1f09543c2ca7f8827196aa48a1c251f0362281bc35a02dc55fe21b11efc4cd08ce106f791b7e2b5e106abca71ccada2f15031729ac0ccfb66fb1c",
    "signer": "0xa228dA0794005c958cFc691a6808417E21E60Aea",
    "userId": "151623966"
  }
}