{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357231",
    "entityType": "User",
    "nonce": "0x49e2165c270876dd62182e81c5d58254400aac9c6f2478823ee51ccea8217034",
    "signature": "0x398aa4ed6ed5221d37dc8ca854de04e1f7e752b366fbec260b53657c32e7125b63001313967d727a3e0df9c8926659e0d74616d7d348e80f845e8be0f4a5c6f71b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}