{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6915",
    "entityType": "User",
    "nonce": "0x167c68dc2147675f5e613057ad2e0d19d5313f3957c66af7650d334c64fdc61f",
    "signature": "0x57d9c881373c04d72c30824041534385413e633986e0f3c2a1e7f41ebdbbb6a90e64d4a80abd881b46b66abd802567e8c27eb268fd7f5cf322c4ad60627e825d1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}