{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8170",
    "entityType": "User",
    "nonce": "0x6e9615ce36e226cf7c8bc6c3f0e33c6049435196dfcfac5acde434712d83ec1a",
    "signature": "0x903cd672f659f264b3522af1e48101162e72c1c88bd151c4e5b6e13a77ca63ef3e272e3218362c3a7636400eba2b26fe44f9c436ba311b71d6f22bc2d4f1dc651b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}