{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77945",
    "entityType": "User",
    "nonce": "0x2c552b7142579d284e00c6e6f5759db9280b8d1819d2b353f8bdebece8749f05",
    "signature": "0xe4ac21a235f424b96d535d703069e93590a91afb11eae1351396cae59e27bc812789f0e61cfb8447a37f89fc8a341faf34212f849f97c41d496637a67c0c91571c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}