{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1530",
    "entityType": "User",
    "nonce": "0xefb9cbc7ea38208564604c9d9faacf45b5581fb02deef527fd75fc336a8442c3",
    "signature": "0xf7be10ab9e7d99a8247a74e875e59ded0f5fdc75e5d928f4e8dd4c7a40fe3e5965ee669abf840214c0043d85049e8cd2d4be6ef060b9943fd34f57837992de371c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}