{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17047",
    "entityType": "User",
    "nonce": "0xc23103d9056d316b4938fe0543592054aec38be85513e3baaa6fa74a4e00e3f6",
    "signature": "0xd8e45703523e50c0f972a790b84626a0438f69ad4d09220b774d587ca6169df21e186a905ec98a1b43df38b1deb1a0c4fec86f44c4b01d665cb022606b8287d51c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}