{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x93790fcd33262379eb1ed096caceb8e162da02b113bc40ec1fd5e3a236842d19",
    "signature": "0xde7b5055eb05d5e3eb4acae74e68a3de13d485ff12df0b3424eae7ba8e8102ce6a4c222331557dd0df92c7602789d554db511b83341dafee3c668224039a2dbe1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}