{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202898",
    "entityType": "User",
    "nonce": "0x71996c0e302a359feb5efca1d97bff4a0cfcef6c1791689f643ba7904d55f68c",
    "signature": "0x1be58cad01fbca234797252a61ecfb75b90ceea0538927d93fe5765591dfd2fe2777b0e5377682d71b94f1f74183360d26c5ecfae6adaabc6fb62918e2417ffb1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}