{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166505593",
    "entityType": "User",
    "nonce": "0x6273fb744c8cb44b76e579e41a431c41a9164a187aa4b67cc46bde9ad9898c9b",
    "signature": "0xac272ff53cd25c89863aff1d22b4c5f03f7e3160dbdadf7a2dc0ee1d1738d2511f33ae5f6ccbcd061aa9e7270640a2dc8b4359b02a5134792a47d58f9180ca721c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}