{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72158",
    "entityType": "User",
    "nonce": "0xaf425dcbb64507b544f5f0c88366bfcf11ed49cb998eca9234545936ea9ffde7",
    "signature": "0xf3b5ffa0aa05bf716db704359ecbde3e4f2e374ee0ba00f841ae5286244b93ac477f640fbf1bac1e8c869453ff24f6bd14898b7cbd9a9d3289a5a520e70f5dcd1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}