{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327116",
    "entityType": "User",
    "nonce": "0x321dd2b9d5a134c0dd93b959dedba75d2f1ad23fe39748264269c506b95f7d76",
    "signature": "0x1aab82ab28ee8a1224fddd70f2b15a2f51feab0a4b1fad65626c08ae73804cf246ad95ffa8f4070406a780dc20fe59417713001a549d50e6918cd7a01aecfbe01b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}