{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1947",
    "entityType": "User",
    "nonce": "0xee1fd0c49d3ac9a11b0717ce1db812de9c938a8cf43e57dc5f2cc3dd0258d8be",
    "signature": "0x0bc92df9f9e1bdaf00360b3866080d74be014e83607f0287b9f5092c91b3d1947ce707177b6b77a142e26c7b3660b6f380ab5644063ed09dcc65351ef38202c81c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}