{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "949537054",
    "entityType": "User",
    "nonce": "0xe8d152e25d325ef5b2b3f3e34f7885cf40d3f826c579b3682492467c4063359b",
    "signature": "0x2a0f70092d0dc6f1c38d05002b0fecb2e53bc788acfb0a3d074c5cdb8ebba63807ec46c890b4b227522e6108d5d999db140f992d855ccc4cf5437c3363e183ac1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}