{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x220d34ae55ac016d1de4c7603c12e2450c3af31e5b1df634b55cfd1da7364ea6",
    "signature": "0x3f293c3bbcea5e53e090503901c9832a59d255b8e279a8f54d99f0817e7f79dc6c23b932307fd25c088c6ada95c33626fab028279937865eab89a9f793abbc781b",
    "signer": "0x645AAbB3BF848412862B16580BBDb4CEeBBf2EE6",
    "userId": "47150955"
  }
}