{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281227",
    "entityType": "User",
    "nonce": "0x646ede6dbd0cd74d54b4268111121a35931eb84d74cf97f01d5689bcafa63470",
    "signature": "0xbc86ad1134416e4613b2d0bac4d857976c90276df863a9a729feb4f1d928695718608e2b267ad7bb61c509821975deed925eb1f3b549e4c7bbd540a54360865f1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}