{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1334982",
    "entityType": "User",
    "nonce": "0x100be656a61d797df6c4f556372526d13e768b18c11ca8bf7406e1391dddcbf9",
    "signature": "0xe3771503ca555d76c0459faa12718177db66a1af0d00dc9a4ba04f17f09a86756a5447fdfe59eed77fa5cfd5a586feb30e80ac9628faf1a86bcefe02071ed0e61b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}