{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6ce55d69a0b33717889c8e69eab80c1310fcc34f36d4b3ed21e85243d4b36af8",
    "signature": "0xeca3445d48ed93f0512175fe217ee354bc67a4797cf2eb1d4600048ce982751865df533878586e64ab1574ed15e215d192baad00de5fae1b2caa7b3a4d5281281b",
    "signer": "0x2c5F2EB8FDEf90C5AF739Bc4883633849b082D79",
    "userId": "194247560"
  }
}