{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0x39a4f31e333ab75abf4a3a3b3fbb4b6d9d92c9064f8086654335863a0e0d6e78",
    "signature": "0x8ba0644f8359e3c8b05149956e41571308fa77c6e3ae814e7bc33a0ec8f2b8c66f437ff2bd87ea0190402d0bf898a20ad9c42d486f0d1f26e67cc68b988ab1f01b",
    "signer": "0x2E09706d061Da2bB66d01F583c734E89CFCd23D1",
    "userId": "14811"
  }
}