{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "934065758",
    "entityType": "User",
    "nonce": "0x0f3b48daa4fc9fac780b5e0fba9cabc25bc7c1fa8fcc8c844f58b7e043b6fde1",
    "signature": "0x5e3a21477501feeb026e66441a27fa57fc9fef846828cc293cc494c21d1d43180f376202a08d4ebee35e414c8fa109ed05f7126f4e288de5cf1d3664da89741b1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}