{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145615",
    "entityType": "User",
    "nonce": "0x065f3e106044334d702bc42a45b065f274764140c2e231f868f2ab8926a8bd27",
    "signature": "0x3ee617793fd316e682ed9469efebc4725c68d47b2ecc9c05088cd02c0abb85f9245a28eb3783a1d9f5b63f2a453174051abbe26c5adb19d3c500cabd1df2c5f91b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}