{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1692337",
    "entityType": "User",
    "nonce": "0xec38823b4480cb2c82987c1825e15658574b7b6f203850c844121a4365bc2125",
    "signature": "0xab68dcd8028b35c73d1bde661168311b2ee14fa603761d9be99f472b545a060e6ad4a82485dbef887271ddff8a812a87f8a0c39cb83f0b651fde516f3b3162691b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}