{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "153928",
    "entityType": "User",
    "nonce": "0x5f08ecd8f15d31e28ceff73e927cf2e147adaa468b210ce170cae6a4e0cd778d",
    "signature": "0xab9d49024e2745bd4c69f739d7d419920e99651e9aacf2b9714b34160560335c2c6f85c42f31d1ca317c57efc670d77ce2e17e571c61f1ed6a84f533a8ae06991b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}