{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80359",
    "entityType": "User",
    "nonce": "0x55502df1946a7be74961007eb3bdcf0fc69d0dac5e3e7708fe9e0c01c7a98509",
    "signature": "0xc5df860c63fe1a0599a86d6bc73e59144ff4dc4ae94cc3fd71c1d55f71a2902f051d1a555533e03500e1bc5022395fdbc0366e10bdff763a3c94b9f8a0aa4cf51b",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}