{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "359807",
    "entityType": "User",
    "nonce": "0x95471bae0d76a3592cbc89c4ac091f7d446f83f62129fa5a12de4faefc7af26b",
    "signature": "0x56114317bee21455babf7e5f72a4578bac13dd34bf12adf0ba0439b1e05f7030715c83ab708093190a51c5c7357bd2d33b0ffc0d1edfc1de07286334f6e4e9841b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}