{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "87564",
    "entityType": "User",
    "nonce": "0x9d66757bce1ee91d6712222589368c263d54d656075f104e54c4031576a365fb",
    "signature": "0x113026c8a0c70ed99061106b3f80c8812872ca29c41194b78a5e346a0577b16510e1a21eba205f111f21e8ce15c546499ed0e33018ebeca9f94b58a08149ddfc1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}